Add stub implementations for logging changes

Add abstract Logger class that serves as a contract for actual
logging implementations.

Bug: 23164804

Change-Id: Idaedae9b03aa60bbee21574584b47e3529ee9cad
2 files changed
tree: 7e9a78a541a37f9e616e9cd0c2321b01d633e381
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml
  6. proguard.flags